An analytical approximation of the Hubble Space Telescope monochromatic point spread functions

Details An analytical approximation of the Hubble Space Telescope monochromatic point spread functions An analytical approximation of the Hubble Space Telescope monochromatic point spread functions

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987japa....8..343b&link_type=abstract

Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 8, Dec. 1987, p. 343-350.

Astronomy and Astrophysics

Astrophysics

6

Hubble Space Telescope, Image Enhancement, Monochromatic Radiation, Point Spread Functions, Cameras, Convolution Integrals, Pixels, Resolution, Wavelengths

Scientific paper

A mixture of off-centred Gaussians is used to approximate the predicted monochromatic point spread functions (PSFs) of the Hubble Space Telescope (HST) at long wavelengths, and also, with a reduced number of parameters, the wide-band PSFs. The usefulness of the approximation in simulation and analysis of HST data is shown by means of application to image centring and convolution-deconvolution problems.

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